Mechanically manually wound movement. Caliber CH 29-535 PS. Chronograph. Central chronograph hand and instantaneous 30-minute counter. Seconds subdial. Tachymeter scale. Blue sunburst dial, black gradated, baguette diamond hour markers (0.23 ct). Alligator strap with square scales, hand stitched, shiny black, fold-over clasp. Fold-over clasp. Case: platinum. Sapphire-crystal case back. Water resistant to 30 m. Case diameter: 39.4 mm. Height: 10.9 mm.